Langer's Sudoku Assistant

1
7
9
4
   2   
       
   8   
5
6
   2   
       
   8   
3
6
4
2
1      
       
   8   
3
7
1      
       
   8   
9
5
5
8
3
6
9
1  2   
       
       
4
7
1  2   
       
       
9
5
7
2
4
6
3
1
8
2
6
3
7
1
8
9
5
4
1
4
8
9
3
5
7
2
6
5
6
2
8
9
4
7
3
1
3
7
9
5
2
1
4
8
6
8
1
4
3
6
7
2
5
9

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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